Who said "I won't ask anyone to do something I won't do myself."?

This quote is attributed to Captain America / Steve Rogers.

I won't ask anyone to do something I won't do myself. - Captain America / Steve Rogers

"I won't ask anyone to do something I won't do myself."

Captain America / Steve Rogers Leadership

"I can do this all day."

"There are men laying down their lives. I got no right to do any less than them."

"I'm not gonna fight you."

"I found someone worth fighting for."

"A leader must be fair and just."

"Integrity is everything."

"One must take responsibility for one's environment."

"In this house, I make the decisions"